Home / 3,551,663.43-4,901,280.84-1,920,070.31

Finding the Fourth Proportional to 3,551,663.43, 4,901,280.84 and 1,920,070.31

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Solution

The fourth proportional to 3,551,663.43, 4,901,280.84 and 1,920,070.31 is: 2,649,689.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551,663.43 : 4,901,280.84 = 1,920,070.31 : x
  2. Step 2: Convert to fraction form
    3,551,663.43/4,901,280.84 = 1,920,070.31/x
  3. Step 3: Cross multiply
    3,551,663.43x = 4,901,280.84 × 1,920,070.31
  4. Step 4: Simplify right side
    3,551,663.43x = 9,410,803,797,349.46
  5. Step 5: Solve for x
    x = 9,410,803,797,349.46/3,551,663.43
  6. Step 6: Final answer
    x = 2,649,689.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.